Home / 14,225.06-21,284.13-13,475

Finding the Fourth Proportional to 14,225.06, 21,284.13 and 13,475

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Solution

The fourth proportional to 14,225.06, 21,284.13 and 13,475 is: 20,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.06 : 21,284.13 = 13,475 : x
  2. Step 2: Convert to fraction form
    14,225.06/21,284.13 = 13,475/x
  3. Step 3: Cross multiply
    14,225.06x = 21,284.13 × 13,475
  4. Step 4: Simplify right side
    14,225.06x = 286,803,651.75
  5. Step 5: Solve for x
    x = 286,803,651.75/14,225.06
  6. Step 6: Final answer
    x = 20,161.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.